CA2203489A1 - Circuit in cmos technology for high speed driving of optical sources - Google Patents
Circuit in cmos technology for high speed driving of optical sourcesInfo
- Publication number
- CA2203489A1 CA2203489A1 CA002203489A CA2203489A CA2203489A1 CA 2203489 A1 CA2203489 A1 CA 2203489A1 CA 002203489 A CA002203489 A CA 002203489A CA 2203489 A CA2203489 A CA 2203489A CA 2203489 A1 CA2203489 A1 CA 2203489A1
- Authority
- CA
- Canada
- Prior art keywords
- circuit
- optical sources
- type
- high speed
- speed driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
- H01S5/0427—Electrical excitation ; Circuits therefor for applying modulation to the laser
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
- Optical Communication System (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Electronic Switches (AREA)
Abstract
A high speed drive circuit for optical sources.
The circuit comprises bias and modulation current generators for both p-type and n-type optical sources, and a pair of control voltage sources for controlling the bias and modulation current generators, which obtain pairs of control voltages from an adjustable driving current. The circuit includes control logic and CMOS gates for selecting between the p-type and n-type generators by means of an external signal. The circuit is fabricated as an integrated circuit having three pads, one for each control voltage source and the third pad comprises the current generators, the CMOS gates and the control logic circuit.
The circuit comprises bias and modulation current generators for both p-type and n-type optical sources, and a pair of control voltage sources for controlling the bias and modulation current generators, which obtain pairs of control voltages from an adjustable driving current. The circuit includes control logic and CMOS gates for selecting between the p-type and n-type generators by means of an external signal. The circuit is fabricated as an integrated circuit having three pads, one for each control voltage source and the third pad comprises the current generators, the CMOS gates and the control logic circuit.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO96A000326 | 1996-04-24 | ||
IT96TO000326A IT1285852B1 (en) | 1996-04-24 | 1996-04-24 | HIGH SPEED PILOTING CIRCUIT OF OPTICAL SOURCES MADE IN CMOS TECHNOLOGY. |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2203489A1 true CA2203489A1 (en) | 1997-10-24 |
CA2203489C CA2203489C (en) | 2001-07-10 |
Family
ID=11414577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002203489A Expired - Fee Related CA2203489C (en) | 1996-04-24 | 1997-04-23 | Circuit in cmos technology for high speed driving of optical sources |
Country Status (5)
Country | Link |
---|---|
US (1) | US5828246A (en) |
EP (1) | EP0803947A3 (en) |
JP (1) | JP2867251B2 (en) |
CA (1) | CA2203489C (en) |
IT (1) | IT1285852B1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3166840B2 (en) * | 1998-03-10 | 2001-05-14 | 日本電気株式会社 | Waveform output circuit and device having the same |
JP2001127366A (en) | 1999-10-25 | 2001-05-11 | Toshiba Corp | Solid-state laser device, method for controlling output thereof and power supply device for solid-state laser |
WO2002037623A1 (en) * | 2000-11-06 | 2002-05-10 | Vitesse Semiconductor Corporation | Modulators for vertical cavity surface emitting lasers |
WO2002037622A2 (en) | 2000-11-06 | 2002-05-10 | Vitesse Semiconductor Corporation | Method of controlling the turn off characteristics of a vcsel diode |
US6590916B2 (en) * | 2001-02-08 | 2003-07-08 | Quantum Devices, Inc. | Method for fabricating a wave division laser array multiplexer |
DE10250981A1 (en) * | 2002-10-29 | 2004-05-19 | Infineon Technologies Ag | Circuit for controlling laser currents |
US20090219964A1 (en) * | 2008-03-03 | 2009-09-03 | Dror Yossi | laser diode driver |
TWI552611B (en) * | 2014-12-26 | 2016-10-01 | 廣達電腦股份有限公司 | Device for playing music |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3226624B2 (en) * | 1992-09-24 | 2001-11-05 | 日本オプネクスト株式会社 | Laser diode drive circuit and optical transmission device |
IT1268070B1 (en) * | 1994-06-06 | 1997-02-20 | Cselt Centro Studi Lab Telecom | CIRCUIT IN CMOS TECHNOLOGY FOR HIGH SPEED PILOTING OF OPTICAL SOURCES. |
-
1996
- 1996-04-24 IT IT96TO000326A patent/IT1285852B1/en active IP Right Grant
-
1997
- 1997-03-11 US US08/815,118 patent/US5828246A/en not_active Expired - Lifetime
- 1997-04-21 EP EP97106558A patent/EP0803947A3/en not_active Withdrawn
- 1997-04-23 CA CA002203489A patent/CA2203489C/en not_active Expired - Fee Related
- 1997-04-23 JP JP9118622A patent/JP2867251B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5828246A (en) | 1998-10-27 |
EP0803947A2 (en) | 1997-10-29 |
ITTO960326A0 (en) | 1996-04-24 |
IT1285852B1 (en) | 1998-06-24 |
EP0803947A3 (en) | 2000-03-22 |
ITTO960326A1 (en) | 1997-10-24 |
JPH10117033A (en) | 1998-05-06 |
JP2867251B2 (en) | 1999-03-08 |
CA2203489C (en) | 2001-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |